Nutrient cycling in agro-ecosystems
The nutrient cycle in the unmanaged ecosystem is compared with that in the agroecosystem; and the role and relative importance of soil organic matter, organic and inorganic fertilizers as sources of nutrient inputs into agro-ecosystems are analysed. This is followed by an assessment of the efficienc...
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| 格式: | Analytics |
| 語言: | English |
| 出版: |
1987.
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